Personal digital assistant



FIG. 1 is a front elevation view of a personal digital assistant showing our new design;

FIG. 2 is a rear elevation view thereof;

FIG. 3 is a left side elevation view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a front elevation view of a second embodiment of a personal digital assistant;

FIG. 8 is a rear elevation view thereof;

FIG. 9 is a left side elevation view thereof;

FIG. 10 is a right side elevation view thereof;

FIG. 11 is a top plan view thereof; and,

FIG. 12 is a bottom plan view thereof. 

The ornamental design for a personal digital assistant, as shown and described. 